Radiator



J. ELGER Sept 15, 1931.

RADIATOR Filed Nov. 10 1928 '1 I I I I i I 5 I I I I i I ppvg w Patented Sept. 15, 1931 PATENT JOSEPH ELGER, OF CHICAGO, ILLINOIS RADIATOR Application filed November 10, 1928. Serial No. 318,476.

This invention relates to improvements in radiators, and more especially a steam heating radiator.

The invention is applicable to such radiai tors used in either the one or two pipe system.

One of the features of my invention is the provision of means for increasing the circulation in the radiator and preventing banking or trapping of air that otherwise might interfere with the efiiciency of the radiator.

Another feature of my invention. is the provision of improved air-venting apparatus.

Other features and advantages of my in vention will appear more fully as I proceed with my specification.

In that form of the device embodying the features of my invention shown in the accompanying drawings, Fig. 1 is a vertical sectional view of a radiator as used in a one pipe system; Fig. 2 is a similar view showing a radiator as adapted for use in a two pipe system; Fig. 3 is a vertical sectional view of the air-venting apparatus; and Fig. 4 is a vertical sectional view of the obstructing disk or device forming a part of the air circulating means.

Since the radiators for the one and two pipe systems are similar in many respects, I shall describe them both at the same time and merely point out the differences.

As shown in the drawings, the radiator comprises a plurality of intermediate sec- ;tions 10, 10, and two end sections A and B, connected together in any suitable manner; for example, by the close nipples To aid in an understanding of the invention, I shall designate the end section A as the feed section, and the end section B as the vent section. In the one pipe system, the vent section B, as shown in Fig. 1, is closed at the bottom by means of the plug B In the radiator shown in 2 for a two pipe system, this vent section B is provide-d at the bottom with a pipe outlet 13.

A indicates the usual valvecontrolled steam inlet pipe entering the bottom of the feed section in the usual manner.

- To aid in circulating the air in the radiator, I provide an obstructing disk or device 11 between the feed section and the next adjoining section at the bottom. This disk or obstructing device is provided with a threaded air outlet opening 11 into which is threaded the short nipple 12 of an air circulating pipe. Fastened onto the nipple 12, is an elbow 13, which carries an upwardly projecting pipe 14 extending partway up into the feed section A. There is a slight difference between the two forms of obstructing device used in the radiators for the one and two pipe systems. In the one pipe sys-. tem radiator, as shown in Fig. 1, the obstructing device is provided with a small second drain opening 11 below the opening 11 This device is shown in 4. In the two pipe system radiator, this second drain opening is omitted, as the drainage passes through outlet pipe B There is also provided for the radiator at the vent section B. This is shown in detail in Fig. Such apparatus includes threaded plug 20, adapted to be mounted in the screwthreaded standard upper joint opening of the section B. Such plug is provided with an opening 21 adapted to be opened or closed by a valve controlled by a temperatureresponsive element. The opening 21 is provided with'a valve seat at each end, the outer seat being indicated by 21' and the inner seat by 21. 22 indicates a valve stem inside of the hole 21 and carrying at each end a valve head or disk snbst-antiallyconical in shape. T he head 22 is adapted to seat on the seat 21, and the head 22 is adapted to seat on the seat 21 Suitably mounted on the inside of the plug by means of the screws 23, is afluid chamber 24:. 25 indicates a diaphragm air vent apparatus upper end of the in the fluid chamber provided with a central opening 20, through which extends the piston 22. 28 indicates suitable nching, and 29 a packing nut screwed into the threaded outer end of the chamber 24. 30 indicates fluid in the fluid chamber, the volume of which is responsive to changes in temperature in the vent section B. The. outer end of the piston 27 normally rest-s against the valve head 22*. On the outer side of the plug 20, is carried a shell 31 in which is mounted a compression spring 33 indicates an adjusting nut to adjust the tension of the spring 32.

indicates an obstructing disk or device located in front of the vent section at the top thereof and provided with an opening 40 The. air-venting apparatus functions to eX- haust and release the air and also keeps it out. In the operation of the device, steam enters the feed section and travels upwardly in said section, as indicated by the arrows, thence through the top and thence downwardly through the other sections on top of the air; the escaping air primarily passing upwardly in the vent section and out through the vent opening 21. The opening 40 in the disk 40 permits some steam to pass therethrongh and directly engage the fluid chamher 2 1. Such steam, and hot air and steam, passing upwardly in the vent section, serve to heat the chamber-2%, causing expansion of the fluid 30 to press the piston 27 outwardly and seat the valve 22 on the valve seat 21", thus preventing further escape of air. The spring 32 and quantity and kind of fluid 30 are adjusted so that the valve 22 will close when there. is no longer any air to be vented. When the steam goes down or is turned oil,

. the spring 32 pushes the valve head 22* inwardly to seat on the valve seat 21 preventing air from again entering the radiator.

The disk 11 with the upwardly projecting pipe 1 1 aids in circulating the air. Heretofore, it has been customary to take the steam in at the top of the feed section with a pipe that is run up alongsice and outside of the radiator. Such a pipe detracts from the appearance of the radiator, and when steam is so taken in at the top, banking of the air frequently occurs in the feed section. These difficulties are eliminated by the use of the disk 11 and upwardly projecting pipe 14. It might be said that 1 use the first section of the radiator, in conjunction with the disk 11 and pipe 14, as an inlet pipe to overcome banking of the air in the first section, and.

at the same time cause the steam to enter the intermediate sections at the tops, where it will settle down on top of the cooler air and thus aid in maintaining effective circulation in the radiator.

The fluid chamber 24 of the air-venting apparatus is fastened on the inside of the plug 20 and is inserted through the opening in the upper end of the section B when the plug 20 is screwed into place. When finally located, such chamber 24 lies inside of the section B where it is removed from sight and danger of damage.

While I have shown and described certain embodiments of my i vention, it is to be understood that it is cap ble of many modifications. Changes, therefore, in the construction, arrangement and operation may be 32 bearing against the valve head 22.

made without departing from the spirit and scope of the invention disclosed in the appended claims, in which it is my intention to claim all novelty in my invention as broad- 1y as possible, in view of the prior art.

What I claim as new, and desire to secure by Letters Patent is:

1. A radiator including; aplurality of sections connected together at the top and bottom and including a feed section and a vent section; a tempera-tnre-responsive air vent in the top of the vent section; and an obstructing device located in front of the vent section at the top thereof, said obstructing device. provided with an opening.

2. A radiator including; a plurality of sections connected together at the top and bottom and including a feed section; and an obstructing device in the bottom. outlet of the feed section, said obstructing device being provided with an air outlet opening, and an air circulating pipe connected to said opening and extending at least partway upwardly in the feed section.

3. A radiator as claimed in claim 2, in. which the obstructing device at the bottom; of the feed section is provided with a second drain opening.

In witness whereof, I hereunto set my hand this19th day of October, 1928.

JOSEPH ELGER. 

